import java.util.*;
public class Example15_2 {
	    public static void main(String args[]) {
	   	    List<String> list = new LinkedList<String>();
		    for (int i = 0; i <= 60096; i++) {
			    list.add("speed" + i);
		    }
		    Iterator<String> iter = list.iterator();
		    long starttime = System.currentTimeMillis();
		    while (iter.hasNext()) {
			    String te = iter.next();
		    }
		    long endTime = System.currentTimeMillis();
		    long result = endTime - starttime;
		    System.out.println("使用迭代器遍历集合所用时间:" + result + "毫秒");
		    starttime = System.currentTimeMillis();
		    for (int i = 0; i < list.size(); i++) {
			    String te = list.get(i);
		    }
		    endTime = System.currentTimeMillis();
		    result = endTime - starttime;
		    System.out.println("使用get方法遍历集合所用时间:" + result + "毫秒");
	    }
}
